Merge branch 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux...

[pandora-kernel.git] / drivers / base / memory.c

diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index bd02505..933442f 100644 (file)
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -22,6 +22,7 @@
 #include <linux/mm.h>
 #include <linux/mutex.h>
 #include <linux/stat.h>
+#include <linux/slab.h>
 
 #include <asm/atomic.h>
 #include <asm/uaccess.h>
@@ -44,7 +45,7 @@ static int memory_uevent(struct kset *kset, struct kobject *obj, struct kobj_uev
        return retval;
 }
 
-static struct kset_uevent_ops memory_uevent_ops = {
+static const struct kset_uevent_ops memory_uevent_ops = {
        .name           = memory_uevent_name,
        .uevent         = memory_uevent,
 };
@@ -309,17 +310,18 @@ static SYSDEV_ATTR(removable, 0444, show_mem_removable, NULL);
  * Block size attribute stuff
  */
 static ssize_t
-print_block_size(struct class *class, char *buf)
+print_block_size(struct sysdev_class *class, struct sysdev_class_attribute *attr,
+                char *buf)
 {
-       return sprintf(buf, "%#lx\n", (unsigned long)PAGES_PER_SECTION * PAGE_SIZE);
+       return sprintf(buf, "%lx\n", (unsigned long)PAGES_PER_SECTION * PAGE_SIZE);
 }
 
-static CLASS_ATTR(block_size_bytes, 0444, print_block_size, NULL);
+static SYSDEV_CLASS_ATTR(block_size_bytes, 0444, print_block_size, NULL);
 
 static int block_size_init(void)
 {
        return sysfs_create_file(&memory_sysdev_class.kset.kobj,
-                               &class_attr_block_size_bytes.attr);
+                               &attr_block_size_bytes.attr);
 }
 
 /*
@@ -330,7 +332,8 @@ static int block_size_init(void)
  */
 #ifdef CONFIG_ARCH_MEMORY_PROBE
 static ssize_t
-memory_probe_store(struct class *class, const char *buf, size_t count)
+memory_probe_store(struct class *class, struct class_attribute *attr,
+                  const char *buf, size_t count)
 {
        u64 phys_addr;
        int nid;
@@ -367,7 +370,9 @@ static inline int memory_probe_init(void)
 
 /* Soft offline a page */
 static ssize_t
-store_soft_offline_page(struct class *class, const char *buf, size_t count)
+store_soft_offline_page(struct class *class,
+                       struct class_attribute *attr,
+                       const char *buf, size_t count)
 {
        int ret;
        u64 pfn;
@@ -384,7 +389,9 @@ store_soft_offline_page(struct class *class, const char *buf, size_t count)
 
 /* Forcibly offline a page, including killing processes. */
 static ssize_t
-store_hard_offline_page(struct class *class, const char *buf, size_t count)
+store_hard_offline_page(struct class *class,
+                       struct class_attribute *attr,
+                       const char *buf, size_t count)
 {
        int ret;
        u64 pfn;
@@ -423,12 +430,16 @@ static inline int memory_fail_init(void)
  * differentiation between which *physical* devices each
  * section belongs to...
  */
+int __weak arch_get_memory_phys_device(unsigned long start_pfn)
+{
+       return 0;
+}
 
 static int add_memory_block(int nid, struct mem_section *section,
-                       unsigned long state, int phys_device,
-                       enum mem_add_context context)
+                       unsigned long state, enum mem_add_context context)
 {
        struct memory_block *mem = kzalloc(sizeof(*mem), GFP_KERNEL);
+       unsigned long start_pfn;
        int ret = 0;
 
        if (!mem)
@@ -437,7 +448,8 @@ static int add_memory_block(int nid, struct mem_section *section,
        mem->phys_index = __section_nr(section);
        mem->state = state;
        mutex_init(&mem->state_mutex);
-       mem->phys_device = phys_device;
+       start_pfn = section_nr_to_pfn(mem->phys_index);
+       mem->phys_device = arch_get_memory_phys_device(start_pfn);
 
        ret = register_memory(mem, section);
        if (!ret)
@@ -509,7 +521,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section,
  */
 int register_new_memory(int nid, struct mem_section *section)
 {
-       return add_memory_block(nid, section, MEM_OFFLINE, 0, HOTPLUG);
+       return add_memory_block(nid, section, MEM_OFFLINE, HOTPLUG);
 }
 
 int unregister_memory_section(struct mem_section *section)
@@ -542,7 +554,7 @@ int __init memory_dev_init(void)
                if (!present_section_nr(i))
                        continue;
                err = add_memory_block(0, __nr_to_section(i), MEM_ONLINE,
-                                       0, BOOT);
+                                      BOOT);
                if (!ret)
                        ret = err;
        }